The Adir Plan Shield is a weather resistant carrying case used by building contractors, architects, engineers, artists, or anyone handling drawings or blueprints. The Plan Shield is made of clear plastic and durable black nylon that can withstand construction site conditions. The plastic is transparent on both sides so it can be used double sided. It also includes a magnet on each corner to keep the plan shield place on any metal surface. It also includes a convenient handle for carrying. Additionally it features 2 Velcro straps to keep the prints rolled up for easy transporting.The Plan Shield will keep your prints from bending and getting wet or dirty.